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Description
Compact. Chrome-lined. Built to perform.
The 14.5″ 5.56 Phosphate + Chrome Lined Carbine M-LOK M4 Upper Assembly is a rugged, no-compromise upper built for reliable performance in demanding conditions. Centered around a top-tier mil-spec forged upper receiver, this assembly features a 14.5" M4-profile barrel with a mag phosphate exterior and chrome-lined bore for maximum corrosion resistance and barrel life.
The carbine-length gas system and low-profile steel gas block ensure consistent cycling and durability. The upper is finished with quality American-made M-LOK handguards (style may vary), a nitrided A2 flash hider, and precision assembly practices using Permatex 242 threadlocker and AEROSHELL 33MS anti-seize grease on critical components.
Whether you're building a lightweight defensive carbine or a pinned-and-welded compliant rifle, this USA-made upper delivers performance and reliability without cutting corners. BCG and charging handle not included.
Specifications
Barrel Finish: Mag Phosphate
Barrel Profile: M4
Cartridge Compatibility: 5.56 NATO
Barrel Length: 14.5"
Gas System Length: Carbine
Twist Rate: 1:9
BCG / Charging Handle: Not Included
Handguard: American-Made M-LOK (style may vary)
Muzzle Device: Nitrided A2 Flash Hider
Warranty: Limited Lifetime
Origin: Made in the USA
SKU: 26973
